ST32EH502

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Trimmer potentiometers are used as precise variable resistors in a wide range of electronic applications. The standard range of trim pots includes single turn, multi-turn and linear options. The ST32EH502 is a 12 mm single turn trimmer potentiometer available in three designs, with maximum power ratings of 5, 10 and 20 Watts, respectively. It has a low profile design and features a small size and a long life.

The ST32EH502 is ideal for applications where cost-sensitive precision settings are needed. It is suitable for both high-end and general-purpose applications, and can provide reliable and accurate performance over a long-term lifetime in harsh environments and challenging conditions.

Application Field

The ST32EH502 trimmer potentiometer is suitable for a wide variety of applications. The 5-Watt version is typically used in power management, heating and air-conditioning systems, security systems, medical and communication equipment, automotive controls, audio and video equipment, and laboratory and industrial automation applications. The 10-Watt version is popular in audio, video, and consumer electronic products, while the 20-Watt version is used in heavy-duty loads such as motors, pumps, and air compressors.

Working Principle

The ST32EH502 consists of a rotary wiper that moves along a resistant element. The resistance is directly proportional to the angle of rotation. The element can be made from different materials including carbon, ceramic, plastic, or metal. The power rating of the device is dependent on the material used and the environment in which it operates.

The wiper is also connected to a spring-loaded mechanism. When the user rotates the mechanism, the spring adjusts the position of the wiper and the corresponding resistance. The spring also allows the wiper to be set in the same exact position even after long periods of inactivity. The device also features an insulated body to reduce dust and other contaminants from affecting the performance of the trimmer.

The ST32EH502 also features high accuracies, low temperature coefficients, and excellent linearity, making it ideal for precise control applications. It is also highly reliable and features an impressive MTBF of more than 44,000 hours.

The ST32EH502 is suitable for high-end and general-purpose applications. It can provide reliable and accurate performance over a long-term lifetime in harsh environments and challenging conditions. The device is available in a range of sizes and power ratings, making it suitable for a wide variety of applications.

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